MSP 34x7G
PRELIMINARY DATA SHEET
4.2. Pin Connections and Short Descriptions
NC = not connected; leave vacant
LV = if not used, leave vacant
DVSS: if not used, connect to DVSS
X = obligatory; connect as described in circuit diagram
AHVSS: connect to AHVSS
Pin No.
Pin Name
Type
Connection
(if not used)
Short Description
PSDIP
PMQFP
44-pin
52-pin
1
7
TP
LV
LV
LV
LV
X
Test pin
2
–
NC
Not connected
D_CTR_I/O_1
D_CTR_I/O_0
I2C Bus address select
Standby (low-active)
I2C clock
3
8
D_CTR_I/O_1
D_CTR_I/O_0
ADR_SEL
STANDBYQ
I2C_CL
I2C_DA
TP
IN/OUT
IN/OUT
IN
4
9
5
10
11
12
13
14
15
16
17
–
6
IN
X
7
IN/OUT
IN/OUT
X
8
X
I2C data
9
LV
LV
LV
LV
LV
LV
LV
X
Test pin
10
11
12
13
14
15
16
17
–
TP
Test pin
TP
Test pin
TP
Test pin
TP
Test pin
–
TP
Test pin
18
19
–
TP_CO
DVSUP
DVSS
DVSS
TP
OUT
Test pin1)
Digital power supply +5 V
Digital ground
Digital ground
Test pin
X
20
21
–
X
18
19
20
21
22
23
24
LV
LV
X
NC
Not connected
Power-on-reset
Not connected
Not connected
Reference ground 2 high-voltage part
Loudspeaker out, right
22
23
24
25
26
RESETQ
NC
IN
LV
LV
X
NC
VREF2
DACM_R
OUT
LV
1) Use this pin to define the capacitor size at the crystal oscillator (see Section 4.6.2.4. on page 44).
34
Micronas
MICRONAS [ MICRONAS ]
